65 entries under mystery topic. ×

4
cipher(noun, confidence, secret)
4
code(noun, confidence, secret)
4
crux(noun, trouble, challenge, question, secret)
4
teaser(noun, difficulty, challenge, question, problem)
3
mystery story
3
puzzler(noun, show, difficulty, challenge, question)
3
stickler(noun, difficulty, challenge, question, problem)
2
intricacy(noun, challenge, question, puzzle)
2
mind-boggler(noun, challenge, doubt, question, problem)
2
stumper(noun, difficulty, challenge, question, problem)
2
twister(noun, difficulty, challenge, question, problem)
2
unknown
1
abstruseness(difficulty, question, secret, puzzle, obscurity)
1
braintwister(difficulty, question, secret, puzzle, obscurity)
1
challenge(noun, question, puzzle, conundrum)
1
chiller(difficulty, question, secret, puzzle, obscurity)
1
cliffhanger(difficulty, question, secret, puzzle, obscurity)
1
difficulty(question, secret, puzzle, obscurity)
1
grabber(noun, difficulty, challenge, question, problem)
1
inscrutability(difficulty, question, secret, puzzle, obscurity)
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APASmart Define. (2016). riddle thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/riddle/thesaurus/synonyms
ChicagoSmart Define. 2016. "riddle thesaurus" https://smartdefine.org/riddle/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, riddle thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/riddle/thesaurus/synonyms>.
MLASmart Define. "riddle thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/riddle/thesaurus/synonyms>